DE203669C - - Google Patents
Info
- Publication number
- DE203669C DE203669C DENDAT203669D DE203669DA DE203669C DE 203669 C DE203669 C DE 203669C DE NDAT203669 D DENDAT203669 D DE NDAT203669D DE 203669D A DE203669D A DE 203669DA DE 203669 C DE203669 C DE 203669C
- Authority
- DE
- Germany
- Prior art keywords
- reflector
- ellipse
- partitions
- approximately
- divided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE203669C true DE203669C (cs) |
Family
ID=466062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT203669D Active DE203669C (cs) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE203669C (cs) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422378A (en) * | 1943-11-22 | 1947-06-17 | California Inst Res Found | Low-level reflector |
-
0
- DE DENDAT203669D patent/DE203669C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422378A (en) * | 1943-11-22 | 1947-06-17 | California Inst Res Found | Low-level reflector |
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